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Finding the Fourth Proportional to 543,099.56, 749,500.98 and 361,519.24

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Solution

The fourth proportional to 543,099.56, 749,500.98 and 361,519.24 is: 498,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,099.56 : 749,500.98 = 361,519.24 : x
  2. Step 2: Convert to fraction form
    543,099.56/749,500.98 = 361,519.24/x
  3. Step 3: Cross multiply
    543,099.56x = 749,500.98 × 361,519.24
  4. Step 4: Simplify right side
    543,099.56x = 270,959,024,668.86
  5. Step 5: Solve for x
    x = 270,959,024,668.86/543,099.56
  6. Step 6: Final answer
    x = 498,912.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.